Home / 755,191.68-1,042,171.56-415,667.76

Finding the Fourth Proportional to 755,191.68, 1,042,171.56 and 415,667.76

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Solution

The fourth proportional to 755,191.68, 1,042,171.56 and 415,667.76 is: 573,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,191.68 : 1,042,171.56 = 415,667.76 : x
  2. Step 2: Convert to fraction form
    755,191.68/1,042,171.56 = 415,667.76/x
  3. Step 3: Cross multiply
    755,191.68x = 1,042,171.56 × 415,667.76
  4. Step 4: Simplify right side
    755,191.68x = 433,197,117,880.91
  5. Step 5: Solve for x
    x = 433,197,117,880.91/755,191.68
  6. Step 6: Final answer
    x = 573,625.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.